Radar detector



FIG. 1 is a front and top-left perspective view of a radar detector showing my new design;

FIG. 2 is a top plan view thereof, the bottom being a mirror image thereto;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof. 

The ornamental design for a radar detector, as shown and described. 